'Growler' definitions:

Definition of 'growler'

From: WordNet
noun
A speaker whose voice sounds like a growl
noun
A small iceberg or ice floe just large enough to be hazardous for shipping

Definition of 'Growler'

From: GCIDE
  • Growler \Growl"er\, n.
  • 1. One who growls. [1913 Webster]
  • 2. (Zool.) The large-mouthed black bass. [Local] [1913 Webster]
  • 3. A four-wheeled cab. [Slang, Eng.] [1913 Webster]